Read the docs
TI-2026-05674 Aliases CVE-2026-6474GHSA-qhm2-px33-58v8

PostgreSQL timeofday() can disclose portions of server memory

Priority LOW 19CWE-134Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 13 fixed, 4 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00214 11th percentileScored 2026-11-07
Fix Partial PostgreSQL: 18.4, 17.10, 16.14 +2Red Hat: 17 advisoriesRed Hat: 13 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—PostgreSQL18 to before 18.4; 17 to before 17.10; 16 to before 16.14; 15 to before 15.18; before 14.2318.4, 17.10, 16.14, 15.18, 14.23Patch availableCNA
  • PostgreSQL Vendor— Affected 18 to before 18.4; 17 to before 17.10; 16 to before 16.14; 15 to before 15.18; before 14.23 Fixed in 18.4, 17.10, 16.14, 15.18, 14.23 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*before 14.23; 15.0 to before 15.18; 16.0 to before 16.14; 17.0 to before 17.10; 18.0 to before 18.4VulnerablePostgreSQL
  • cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* Versions before 14.23; 15.0 to before 15.18; 16.0 to before 16.14; 17.0 to before 17.10; 18.0 to before 18.4 Vulnerable ·PostgreSQL

Remediation

  • Fix · CNA PostgreSQL Fixed in 18.4, 17.10, 16.14, 15.18, 14.23

Red Hat 17 advisories

  • RHSA-2026:58981 Released 2026-08-24 · Red Hat rating Critical
    Red Hat Update Infrastructure 5.3 Technology Preview security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-kubernetes-tp-rhel9, registry.redhat.io/rhui5/installer-tp-rhel9, registry.redhat.io/rhui5/rhua-tp-rhel9
  • RHSA-2026:44481 Released 2026-07-23 · Red Hat rating Important
    Red Hat Update Infrastructure 5.2 security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-kubernetes-rhel9, registry.redhat.io/rhui5/cds-rhel9, registry.redhat.io/rhui5/haproxy-rhel9 +2
  • RHSA-2026:33497 Released 2026-06-30 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) pg_repack-1.4.8-1.module+el9.2.0+17405+aeb9ec60.aarch64::postgresql:15, pg_repack-1.4.8-1.module+el9.2.0+17405+aeb9ec60.ppc64le::postgresql:15, pg_repack-1.4.8-1.module+el9.2.0+17405+aeb9ec60.s390x::postgresql:15 +47
Show 14 more Red Hat advisories
  • RHSA-2026:33441 Released 2026-06-30 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) pg_repack-1.4.8-1.module+el9.2.0+17405+aeb9ec60.aarch64::postgresql:15, pg_repack-1.4.8-1.module+el9.2.0+17405+aeb9ec60.ppc64le::postgresql:15, pg_repack-1.4.8-1.module+el9.2.0+17405+aeb9ec60.s390x::postgresql:15 +47
  • RHSA-2026:32983 Released 2026-06-29 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) pg_repack-1.4.8-2.module+el9.5.0+22224+f5585c78.aarch64::postgresql:15, pg_repack-1.4.8-2.module+el9.5.0+22224+f5585c78.ppc64le::postgresql:15, pg_repack-1.4.8-2.module+el9.5.0+22224+f5585c78.s390x::postgresql:15 +47
  • RHSA-2026:28143 Released 2026-06-23 · Red Hat rating Important
    postgresql:16 security update
    • Red Hat Enterprise Linux AppStream (v. 8) pg_repack-1.5.1-1.module+el8.10.0+22551+c0330dc9.aarch64::postgresql:16, pg_repack-1.5.1-1.module+el8.10.0+22551+c0330dc9.ppc64le::postgresql:16, pg_repack-1.5.1-1.module+el8.10.0+22551+c0330dc9.s390x::postgresql:16 +47
  • RHSA-2026:28037 Released 2026-06-22 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream (v. 9) pg_repack-1.4.8-2.module+el9.8.0+24091+17775505.aarch64::postgresql:15, pg_repack-1.4.8-2.module+el9.8.0+24091+17775505.ppc64le::postgresql:15, pg_repack-1.4.8-2.module+el9.8.0+24091+17775505.s390x::postgresql:15 +47
  • RHSA-2026:27742 Released 2026-06-22 · Red Hat rating Important
    postgresql18 security update
    • Red Hat Enterprise Linux AppStream (v. 10) postgresql18-18.4-1.el10_2, postgresql18-contrib-18.4-1.el10_2, postgresql18-docs-18.4-1.el10_2 +10
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) postgresql18-test-rpm-macros-18.4-1.el10_2
  • RHSA-2026:27743 Released 2026-06-22 · Red Hat rating Important
    postgresql16 security update
    • Red Hat Enterprise Linux AppStream (v. 10) postgresql-16.14-1.el10_2, postgresql-contrib-16.14-1.el10_2, postgresql-docs-16.14-1.el10_2 +12
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) postgresql-test-rpm-macros-16.14-1.el10_2
  • RHSA-2026:27718 Released 2026-06-22 · Red Hat rating Important
    postgresql16 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) postgresql-16.14-1.el10_0, postgresql-contrib-16.14-1.el10_0, postgresql-docs-16.14-1.el10_0 +12
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) postgresql-test-rpm-macros-16.14-1.el10_0
  • RHSA-2026:26561 Released 2026-06-17 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.ppc64le::postgresql:15, pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.src::postgresql:15, pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.x86_64::postgresql:15 +36
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.src::postgresql:15, pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.x86_64::postgresql:15, pgaudit-1.7.0-1.module+el8.8.0+17071+aaaceaa4.src::postgresql:15 +19
  • RHSA-2026:26525 Released 2026-06-17 · Red Hat rating Important
    postgresql:16 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) pg_repack-1.5.1-1.module+el9.6.0+22880+6b241eec.aarch64::postgresql:16, pg_repack-1.5.1-1.module+el9.6.0+22880+6b241eec.ppc64le::postgresql:16, pg_repack-1.5.1-1.module+el9.6.0+22880+6b241eec.s390x::postgresql:16 +47
  • RHSA-2026:26524 Released 2026-06-17 · Red Hat rating Important
    postgresql:16 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) pg_repack-1.4.8-1.module+el9.4.0+20427+07482b8c.aarch64::postgresql:16, pg_repack-1.4.8-1.module+el9.4.0+20427+07482b8c.ppc64le::postgresql:16, pg_repack-1.4.8-1.module+el9.4.0+20427+07482b8c.s390x::postgresql:16 +47
  • RHSA-2026:26204 Released 2026-06-16 · Red Hat rating Important
    postgresql:18 security update
    • Red Hat Enterprise Linux AppStream (v. 9) pg_repack-1.5.3-1.module+el9.8.0+23739+1c42644c.aarch64::postgresql:18, pg_repack-1.5.3-1.module+el9.8.0+23739+1c42644c.ppc64le::postgresql:18, pg_repack-1.5.3-1.module+el9.8.0+23739+1c42644c.s390x::postgresql:18 +47
  • RHSA-2026:26203 Released 2026-06-16 · Red Hat rating Important
    postgresql:16 security update
    • Red Hat Enterprise Linux AppStream (v. 9) pg_repack-1.5.1-1.module+el9.8.0+24090+8f0ee565.aarch64::postgresql:16, pg_repack-1.5.1-1.module+el9.8.0+24090+8f0ee565.ppc64le::postgresql:16, pg_repack-1.5.1-1.module+el9.8.0+24090+8f0ee565.s390x::postgresql:16 +47
  • RHSA-2026:26181 Released 2026-06-16 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream (v. 8) pg_repack-1.4.8-1.module+el8.9.0+19797+c4ce5969.aarch64::postgresql:15, pg_repack-1.4.8-1.module+el8.9.0+19797+c4ce5969.ppc64le::postgresql:15, pg_repack-1.4.8-1.module+el8.9.0+19797+c4ce5969.s390x::postgresql:15 +47
  • RHSA-2026:22878 Released 2026-06-03 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images postgresql-18.4-0.1.hum1@aarch64, postgresql-18.4-0.1.hum1@x86_64, postgresql-contrib-18.4-0.1.hum1@aarch64 +26

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    PostgreSQL 14.23, 15.18 and 3 more versions

    8 records Highest priority Priority MEDIUM 5 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-05673 PostgreSQL server undersizes allocations, via integer wraparoundPriority MEDIUM 42
    • TI-2026-05824 PostgreSQL refint allows stack buffer overflow and SQL injectionPriority MEDIUM 40
    • TI-2026-05679 PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursionPriority MEDIUM 40
    Show all 8 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:27742, RHSA-2026:27743
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:26181, RHSA-2026:28143
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:26203, RHSA-2026:26204, RHSA-2026:28037
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:26561
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:33497
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:26524, RHSA-2026:33441
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:27718
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:26525, RHSA-2026:32983
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:26561
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:27742, RHSA-2026:27743
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:27718
Red Hat Hardened ImagesFixed RHSA-2026:22878
Red Hat Update Infrastructure 5Fixed RHSA-2026:44481, RHSA-2026:58981
Not affected: 2 products
  • Red Hat Hardened Images
  • Red Hat Update Infrastructure 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6474
  2. 2026-10-03 Alias added: GHSA-qhm2-px33-58v8

References

Patch 1

  • TI-2019-06651 In PostgreSQL 9.3 through 11.2, the "COPY TO/FROM PROGRAM" function allows superusers and… CVSS 3.0HIGH 7.2
  • TI-2017-05187 Improper authentication in postgresql CVSS 3.0CRITICAL 9.8
  • TI-2020-15711 SQL injection in postgresql CVSS 3.1HIGH 8.8
  • TI-2013-01675 Argument injection vulnerability in PostgreSQL 9.2.x before 9.2.4, 9.1.x before 9.1.9… CVSS 2.0MEDIUM 6.5
  • TI-2007-03176 The Database Link library (dblink) in PostgreSQL 8.1 implements functions via CREATE… CVSS 2.0HIGH 9.0
  • TI-2022-01423 SQL injection in postgresql CVSS 3.1HIGH 8.8
See all 202 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences